Samba Reggae 1 is probably the most common samba reggae rhythm. Its clave is shared with traditional samba (and other latin rhythms) with a rock/reggae rhythm on the right sub-panel top_row = height - v_margin*2 - title_font_size*1.5; top_row = height - v_margin*2 - title_font_size; working_increment = working_height / 6; // generally-useful spacing amount for vertical columns.